Sofa



FIG. 1 is a perspective view of a sofa in accordance with the present design;

FIG. 2 is a front view of the sofa illustrated in FIG. 1;

FIG. 3 is a rear view of the sofa illustrated in FIG. 1;

FIG. 4 is a right side view of the sofa illustrated in FIG. 1;

FIG. 5 is a left side view of the sofa illustrated in FIG. 1;

FIG. 6 is a top view of the sofa illustrated in FIG. 1;

FIG. 7 is a bottom view of the sofa illustrated in FIG. 1; and,

FIG. 8 is a left side view of the right-most seat section of FIG. 1, shown in isolation.

The broken lines in the drawings illustrate portions of the sofa that form no part of the claimed design. 

CLAIM The ornamental design for a sofa, as shown and described. 